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Metallauspressung

English translation: metal/surface expulsion / whiskers

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
German term or phrase:Metallauspressung
English translation:metal/surface expulsion / whiskers
Entered by: David Williams

08:23 Jan 17, 2008
German to English translations [PRO]
Tech/Engineering - Engineering: Industrial / Welding
German term or phrase: Metallauspressung
Context:

Die Schweißpunkte und Rollennähte sind - soweit zugänglich - mit Lupe (6- bis 10fache Vergrößerung), Spiegel oder Endoskop auf folgende Merkmale zu prüfen:
...
-Metallauspressungen,

Auspressung is evidently used a wide variety of contexts to mean various things, but might it mean extrusion here? Obviously, the little bits of metal that get squeezed out along the edges of a weld could be referred to as having been extruded, like toothpaste from a tube, but then again, extrusion is usually a controlled method of making "extruded parts", so I'm a bit wary of it. Is there a technical term for such defects along of the edge of the joint after spot/roll seam welding?
David Williams
Germany
Local time: 10:36
metal/surface expulsion / whiskers
Explanation:
Isn't this what you are describing?
http://www.romanmfg.com/weldhelp/issues/expuls.htm
"Definition
Expulsion is the forceful ejection of molten metal from the weld. Severe expulsion may eject enough material to create a through-hole in the workpiece, commonly termed "burn through"."

A list of weld quality defects can be found here:
http://www.wildefea.co.uk/training/courses/courses81/

This source includes Surface Expulsion as one thing to look for when checking welds and talks about whiskers, also known as burrs. Those are the hard bits: "Spikes of solidified expulsion extending from the circumference of a weld are called whiskers or burrs and are also to be avoided."

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Note added at 5 hrs (2008-01-17 14:13:29 GMT) Post-grading
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Thanks!
Selected response from:

Julia Esrom
Germany
Local time: 10:36
Grading comment
Danke nochmals, ich habe es vielfach bestätigen können, hier eine schön prägnante Definition:

WHISKERS

Flashout or expulsion at spotweld location of heated metal.
http://www.rsmck.com/w.htm
4 KudoZ points were awarded for this answer



Summary of answers provided
3metal/surface expulsion / whiskers
Julia Esrom


  

Answers


2 hrs   confidence: Answerer confidence 3/5Answerer confidence 3/5
metal/surface expulsion / whiskers


Explanation:
Isn't this what you are describing?
http://www.romanmfg.com/weldhelp/issues/expuls.htm
"Definition
Expulsion is the forceful ejection of molten metal from the weld. Severe expulsion may eject enough material to create a through-hole in the workpiece, commonly termed "burn through"."

A list of weld quality defects can be found here:
http://www.wildefea.co.uk/training/courses/courses81/

This source includes Surface Expulsion as one thing to look for when checking welds and talks about whiskers, also known as burrs. Those are the hard bits: "Spikes of solidified expulsion extending from the circumference of a weld are called whiskers or burrs and are also to be avoided."

--------------------------------------------------
Note added at 5 hrs (2008-01-17 14:13:29 GMT) Post-grading
--------------------------------------------------

Thanks!


    Reference: http://www.romanmfg.com/weldhelp/issues/expuls.htm
Julia Esrom
Germany
Local time: 10:36
Native speaker of: Native in EnglishEnglish, Native in GermanGerman
PRO pts in category: 4
Grading comment
Danke nochmals, ich habe es vielfach bestätigen können, hier eine schön prägnante Definition:

WHISKERS

Flashout or expulsion at spotweld location of heated metal.
http://www.rsmck.com/w.htm
Notes to answerer
Asker: Excellent, that's most helpful!

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